Finding the Fourth Proportional to 1,571.91, 2,169.52 and 1,074.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,571.91 : 2,169.52 = 1,074.37 : x
2. Step 2: Convert to fraction form
   1,571.91/2,169.52 = 1,074.37/x
3. Step 3: Cross multiply
   1,571.91x = 2,169.52 × 1,074.37
4. Step 4: Simplify right side
   1,571.91x = 2,330,867.20
5. Step 5: Solve for x
   x = 2,330,867.20/1,571.91
6. Step 6: Final answer
   x = 1,482.82